<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>


    <input type="text"  placeholder="提示文本输入姓名">
    <input type="password">
    <input type="checkbox" checked class="che">
    <select name="" id="">
        <option value="name1">帅哥</option>
        <option value="name2"select>大帅哥</option>
        <option value="name3">丑波一</option>
    </select>
    

    <div class="box" data-id="10">盒子</div>


    <button disabled >60秒后</button>


    <script>
        const inp = document.querySelector('input')
        //inp.type = 'password'
        inp.value = '周澎'
        inp.placeholder = '请输入身高'

        const inp2 = document.querySelector('.che')
        inp2.checked = true

        const box = document.querySelector('.box')
        console.log(box.dataset.id);

        const button = document.querySelector('button')
        
        
        
        


    </script>
</body>
</html>